More than 23,000 people have joined the Facebook group and many stopped by to comment on this post.

Elaine Green wrote: “Sending best thoughts for her safe return.”

David Buckland said: “The whole community is behind you, we will do all we can.”

Similarly, Emma Clark commented: “I’m extremely sorry you’re having to go through this and I pray to god that your beautiful daughter Sophie comes home. You’re all in my thoughts.”

While Steven Hooper added: “You don’t know us and we don’t know you, but your daughter/sister/cousin has touched a place in everyone’s hearts, we all feel bad, so can’t imagine your pain! Your daughter has brought a community together and everybody is here for you all. Thoughts are with you.”

The UEA student had been suffering from severe anxiety and depression before going missing.

She left home wearing only a vest and shorts, without her mobile phone.

It is believed she may have entered the sea at Gorleston and consquently, police have confirmed they will be conducting further coastline searches.

Sophie is described as being white, about 5ft 8, of a slim build with shoulder length blonde hair. Anyone with information should contact Norfolk Police immediately on 101.